SAGINAW, MICH. — Saginaw Valley State University (SVSU) here is home to the largest closed-loop geothermal pond system in the state of Michigan. Built into a 6.75 acre, 2.2-million gal. retention pond ...
As homeowners and building owners explore ways to increase the efficiency of their heating and cooling systems and reduce energy costs, many are taking a closer look at the benefits that geothermal ...
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